NPPES file of Aug 9, 2026

Robert J. Grzybowski, D.D.S.

General Practice Dentistry · Wauwatosa, WI

Robert J. Grzybowski, D.D.S. is a general practice dentistry with a practice address in Wauwatosa, Wisconsin, and NPI 1629184841, issued on Aug 21, 2006. Check the license (Wisconsin 4018-015, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629184841
Name
Robert J. Grzybowski
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
4018-015 WI
Self-reported in NPPES; status is on the state search
Practice location
11711 W Burleigh St, Wauwatosa, WI 53222
Phone
(414) 771-2345
Enumerated
Aug 21, 2006
Record last updated
Aug 4, 2026
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 11711 W Burleigh St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Robert Ambrookian, DDSGeneral Practice Dentistry1255354031
  2. Oladeji Amoo, DDSGeneral Practice Dentistry1619655578
  3. Alicia Braza, DDSGeneral Practice Dentistry1780112110
  4. Jason Brewer, D.D.S.General Practice Dentistry1346252434
  5. Anthony Coletta, DDSGeneral Practice Dentistry1609889187
  6. Ekta Desai, DDSGeneral Practice Dentistry1801240627

Verify Robert J. Grzybowski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 4018-015
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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75% fewer Medicare Part D claims than the average general practice dentistry in 2024

21 Medicare Part D claims for 18 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. Robert Grzybowski21
  2. Specialty average83

Most prescribed

  1. Amoxicillin12 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Robert J. Grzybowski among 2,305 general practice dentistry records in Wisconsin

Robert J. Grzybowski, D.D.S. is one of 2,305 general practice dentistry records with a practice address in Wisconsin. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 67% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2026 · 75% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

48 general practice dentistry records list a practice address in Wauwatosa

They are 48 of the 1,787 NPPES records with a practice address in Wauwatosa, and 2,305 general practice dentistry records in Wisconsin.

The 8 general practice dentistry records with the nearest ZIP codes

  1. Robert Ambrookian, DDSWauwatosa, WI 532221255354031
  2. Jason Brewer, D.D.S.Wauwatosa, WI 532221346252434
  3. Anthony Coletta, DDSWauwatosa, WI 532221609889187
  4. Michael Donohoo, DDSMilwaukee, WI 532221275628638
  5. John Finnessy, DMDWauwatosa, WI 532221790720720
  6. Richard GrzybowskiWauwatosa, WI 532221679675987
  7. Monica Hebl, DDSMilwaukee, WI 532221528153913
  8. Vivian Hudson, DDSWauwatosa, WI 532221730288200

Common questions

What is Robert J. Grzybowski, D.D.S.'s NPI number?

Robert J. Grzybowski, D.D.S.'s National Provider Identifier (NPI) is 1629184841, issued on Aug 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert J. Grzybowski, D.D.S. located?

The NPPES record lists a practice address at 11711 W Burleigh St, Wauwatosa, WI, 53222. Phone: (414) 771-2345. Providers update this record themselves, so call before visiting.

How can I verify Robert J. Grzybowski, D.D.S.'s license?

NPPES lists Wisconsin license number 4018-015, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Robert J. Grzybowski, D.D.S. prescribe under Medicare Part D?

In 2024, Robert J. Grzybowski, D.D.S. had 21 Medicare Part D claims for 18 beneficiaries; the average among general practice dentistry prescribers was 83. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.